Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 255 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Choices

Question number: 77

Question

While teaching the topic ‘Friction’ to Class V students, a teacher gave a number of examples to explain that friction is also useful to us in many ways. Which one of the following examples was quoted by her incorrectly? – (January)

Choices

Choice (4)

Response

a.

An object thrown vertically upwards always comes back to us due to friction

b.

A vehicle stops on application of brakes

c.

We are able to walk because of friction between our shoes and the ground

d.

We are able to write due to friction between the tip of the pen and the paper